SIM Failure, invalid SIM or no SIM card installed
This is a factory unlocked Apple iPhone 4. It always shows the error "SIM Failure, invalid sim or no sim card installed."
How can I fix it?
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Try going back to your telecom company and have them replace your sim card. That will typically remedy the issue.
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Did you tried this solution? it worked fine for my iPhone 4 here http://www.unlockboot.com/2013/06/fix-no...
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I am sufyan sarwar and mere pas I phone 4 a332 hai plz help me
SIM Failure, invalid SIM or no SIM card installed
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I also had the same problem, and I had to get a new iPhone 4.
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how to sim unluck i phone 4 sim failure iphone 4
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Well, there are some ways to try. You can try another SIM card. Turning the phone off and on. If it's a factory unlock, you can do a restore in iTunes, and you won't lose you factory unlock
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when i insert all sim cards it says "invalid sim card".
please i need a help.
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where did you buy the phone?
door Chris Green
(What country?)
door Chris Green